Patent · US Expired

Measuring method to determine the noise emission of an electric motor and measuring device

US7165456B2 · kind B2 · utility

1Cited by

4References

18Claims

0Family size

Assignee

Minebea Co., Ltd. · JP

Inventors

Guido Schmid · Triberg, DE
Eduard Hudec · Villingen-Schwenningen, DE
Hubert Hauser · Würselen, DE

Key dates

Filing date	Oct 29, 2004
Grant date	Jan 23, 2007
Priority date	—
Expiry date	Apr 12, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG01H1/003
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A measuring method to determine the noise emission of an electric motor is proposed in which the vibrational excitation of the running electric motor is measured by a laser vibrometer device and this measured vibrational excitation is correlated with a noise level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.